The Great Pyramid at Giza has been studied for centuries, yet new scans of the 4,500-year-old monument suggest it may still be hiding a concealed passageway that functions like a secret doorway. Fresh ...

Egypt’s Great Pyramid of Giza—one of the wonders of the ancient world, and a dazzling feat of architectural genius—contains a hidden void at least a hundred feet long, scientists announced on Thursday ...

It’s no wonder that our fascination with the pyramids of Giza has endured for millennia. The Great Pyramid of Giza—built for the Pharaoh Khufu and finished around 2560 BCE—is the only marvel of the ...

Researchers spent two years studying the Great Pyramid of Giza using muons — high-speed particles created by cosmic rays hitting Earth's atmosphere. Muons can penetrate deep into rock and reveal ...

Speculation swirls anew that within Egypt's Great Pyramid of Khufu there lies a hidden tomb, possibly holding the pharaoh himself, sealed there for thousands of years. The discovery of so-called ...

This story appears in the January/February 2017 issue of National Geographic History magazine. Amelia Blanford Edwards was one of a stream of European travelers drawn to see the wonders of Egypt at ...